| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.34 | USD | 20251114 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 988.35 | USD | 20251114 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.74 | USD | 20251114 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.3 | USD | 20251112 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.3 | USD | 20251112 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.71 | USD | 20251112 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.11 | USD | 20251111 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.56 | USD | 20251111 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 987.78 | USD | 20251111 |